19-letter words containing a, p, t, h, e, i
- fluoride toothpaste — toothpaste containing a small amount of fluoride as protection against tooth decay
- forensic psychiatry — the use of psychiatric knowledge and techniques in questions of law, as in determining legal insanity.
- general partnership — a partnership in which each of the partners is fully liable for the firm's debts.
- go jump in the lake — a body of fresh or salt water of considerable size, surrounded by land.
- hamiltonian problem — (computability) (Or "Hamilton's problem") A problem in graph theory posed by William Hamilton: given a graph, is there a path through the graph which visits each vertex precisely once (a "Hamiltonian path")? Is there a Hamiltonian path which ends up where it started (a "Hamiltonian cycle" or "Hamiltonian tour")? Hamilton's problem is NP-complete. It has numerous applications, sometimes completely unexpected, in computing.
- hang on the lips of — to listen to with close attention
- have a bone to pick — to have grounds for a quarrel
- have a problem with — to be unable to understand or do
- health professional — a person trained to work in any field of physical or mental health.
- hepatic portal vein — a vein connecting two capillary networks in the liver
- heptachlorobiphenyl — (organic compound) Either of twenty-four isomers of the polychlorinated biphenyl containing seven chlorine atoms.
- hexafluoroplatinate — (chemistry) The univalent anion PtF6- prepared by reacting platinum hexafluoride with certain metals or other elements.
- high-pressure steam — High-pressure steam is steam which is at or above 75 pounds per square inch gauge pressure.
- highways department — the department of a state, council, etc, responsible for the upkeep of roads and highways
- historic episcopate — the derivation of the episcopate of a Church in historic succession from the apostles
- hospital facilities — the equipment and services provided by a hospital
- hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
- hyper-nationalistic — a person devoted to nationalism.
- hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
- hypercholesteraemia — (medicine) An abnormally high level of cholesterol in the blood.
- hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
- hyperparathyroidism — overactivity of the parathyroid gland, characterized by softening of the bones, with consequent pain, tenderness, and a tendency to spontaneous fractures, and by muscular weakness and abdominal cramps.
- hypocholesterolemia — an abnormally low amount of cholesterol in the blood.
- hypolipoproteinemia — An abnormally low level of lipoprotein in the blood.
- hysterosalpingogram — An X-ray image taken during hysterosalpingography.
- in the hope of/that — If you do one thing in the hope of another thing happening, you do it because you think it might cause or help the other thing to happen, which is what you want.
- in the second place — secondly
- international pitch — diapason normal pitch.
- iphigenia in tauris — a drama (413? b.c.) by Euripides.
- irish water spaniel — one of an Irish breed of large water spaniels having a thick, curly, liver-colored coat, a topknot of long, loose curls, and a thin, tapering tail covered with short hair.
- isenheim altarpiece — an altarpiece (1510?–15?) painted by Matthias Grünewald.
- joseph of arimathea — a wealthy disciple who provided a tomb for Jesus' body: Matt. 27:57-60
- knights hospitalers — a member of the religious and military order (Knights Hospitalers or Knights of St. John of Jerusalem) originating about the time of the first Crusade (1096–99) and taking its name from a hospital at Jerusalem.
- label switched path — (networking) (LSP) The specific path through a network that a datagram follows, based on its MPLS labels.
- landscape architect — A landscape architect is the same as a landscape gardener.
- late-night shopping — later opening hours of shops than usual, esp as a regular occurrence on a particular night of the week
- limited partnership — a partnership formed by at least one general partner and at least one special partner.
- line-of-battle ship — ship of the line.
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lymphoproliferative — Characterized by lymphoproliferation.
- magnetic north pole — the point on Earth to where a compass needle points, and which is situated near the geographic North Pole. However, with time, the exact location can vary.
- male chauvinist pig — male chauvinist.
- manned space flight — space travel in vehicles with a human crew
- meningoencephalitic — Relating to meningoencephalitis.
- meningoencephalitis — Inflammation of the membranes of the brain and the adjoining cerebral tissue.
- metaphosphoric acid — an acid, HPO 3 , derived from phosphorous pentoxide, and containing the smallest amount of water of the phosphoric acids.
- middle palaeolithic — the period between the Lower and the Upper Palaeolithic, usually taken as equivalent to the Mousterian
- military pentathlon — an athletic contest comprising five different events, a 300-meter freestyle swim, a 4000-meter cross-country run, a 5000-meter equestrian steeplechase, épée fencing, and pistol target-shooting at 25 meters, the winner being the contestant with the highest total score.
- molar heat capacity — the heat capacity of one mole of a substance.
- mother-in-law plant — a West Indian foliage plant, Dieffenbachia seguine, of the arum family, having yellow-blotched leaves that cause temporary speechlessness when chewed.